JPH02130103U - - Google Patents
Info
- Publication number
- JPH02130103U JPH02130103U JP1988149394U JP14939488U JPH02130103U JP H02130103 U JPH02130103 U JP H02130103U JP 1988149394 U JP1988149394 U JP 1988149394U JP 14939488 U JP14939488 U JP 14939488U JP H02130103 U JPH02130103 U JP H02130103U
- Authority
- JP
- Japan
- Prior art keywords
- groove
- electrodes
- dielectric block
- electrode
- holes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
- H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図はこの考案の一実施例の構成を示す斜視
図、第２図は同実施例の構成を示す正面図、第３
図は同実施例の構成を示す側面図、第４図は同実
施例の構成を示す底面図、第５図〜第８図はこの
考案の他の実施例の構成を示す斜視図、正面図、
側面図および底面図、第９図〜第１２図はこの考
案の実施例の変形例の構成を示す正面図および底
面図、第１３図はこの考案の実施例による誘電体
フイルタの等価回路図、第１４図は従来の誘電体
フイルタの構成を示す斜視図である。
１……誘電体ブロツク、１ａ……一端面、１ｂ
……非電極形成部（接続部）、２…凹溝、２ａ…
…溝底面、２ｂ，２ｃ……溝側面、３ａ，３ｂ…
…貫通孔、４ａ，４ｂ……内部電極、５……外部
電極、６ａ，６ｃ……溝側面電極（第２の溝側面
電極）、６ｂ，６ｄ……溝側面電極（第１の溝側
面電極）、７ａ，７ｂ……溝底面電極、９ａ，９
ｂ……入出力端子電極、１０……基板、１１……
アース電極パターン、１２ａ，１２ｂ……入出力
用電極パターン。
Fig. 1 is a perspective view showing the structure of one embodiment of this invention, Fig. 2 is a front view showing the structure of the same embodiment, and Fig. 3 is a front view showing the structure of the same embodiment.
The figure is a side view showing the structure of the same embodiment, FIG. 4 is a bottom view showing the structure of the same embodiment, and FIGS. 5 to 8 are perspective views and front views showing the structure of other embodiments of this invention. ,
A side view and a bottom view, FIGS. 9 to 12 are a front view and a bottom view showing the configuration of a modification of the embodiment of this invention, FIG. 13 is an equivalent circuit diagram of a dielectric filter according to an embodiment of this invention, FIG. 14 is a perspective view showing the structure of a conventional dielectric filter. 1... Dielectric block, 1a... One end surface, 1b
...Non-electrode forming part (connection part), 2...Concave groove, 2a...
...Groove bottom, 2b, 2c...Groove side, 3a, 3b...
...Through hole, 4a, 4b...Internal electrode, 5...External electrode, 6a, 6c...Groove side electrode (second groove side electrode), 6b, 6d...Groove side electrode (first groove side electrode) ), 7a, 7b...Groove bottom electrode, 9a, 9
b...Input/output terminal electrode, 10...Substrate, 11...
Earth electrode pattern, 12a, 12b... Input/output electrode pattern.
Claims (1)
凹溝を設け、該凹溝の底面から前記誘電体ブロツ
クの他端面に貫通する複数の貫通孔を一列に設け
ると共に、前記誘電体ブロツクの一端面以外の外
周面に外部電極を、前記各貫通孔の内周面に内部
電極を、前記凹溝の一側面および他側面の前記各
貫通孔と各々対応する位置に第１および第２の溝
側面電極を各々設け、さらに前記各内部電極と前
記各第１および第２の溝側面電極間を各々接続す
る溝底面電極を設けて成り、 前記誘電体ブロツクの外周面の内、前記第１の
溝側面電極と前記誘電体ブロツクを介して対向す
る部分に、前記外部電極を形成せずに、実装され
る基板上の入出力用電極パターンと接触する接続
部を形成したことを特徴とする誘電体フイルタ。 (2) 前記接続部の、前記各第１の溝側面電極と
各々対向する位置に、入出力端子電極を設けたこ
とを特徴とする請求項１記載の誘電体フイルタ。[Claims for Utility Model Registration] (1) A groove is provided in one end surface of a dielectric block having a substantially rectangular parallelepiped shape, and a plurality of through holes are formed in a line from the bottom of the groove to the other end surface of the dielectric block. At the same time, an external electrode is provided on an outer circumferential surface other than one end surface of the dielectric block, an internal electrode is provided on an inner circumferential surface of each of the through-holes, and an internal electrode is provided on one side of the groove and the other side of the groove, respectively, corresponding to each of the through-holes. first and second groove side electrodes are provided at respective positions, and further groove bottom electrodes are provided for connecting each of the internal electrodes and each of the first and second groove side electrodes, respectively, of the dielectric block. A connection portion that contacts the input/output electrode pattern on the board to be mounted without forming the external electrode on a portion of the outer peripheral surface that faces the first groove side electrode via the dielectric block. A dielectric filter comprising: (2) The dielectric filter according to claim 1, characterized in that input/output terminal electrodes are provided in the connection portion at positions facing each of the first groove side electrodes.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988149394U JPH02130103U (en) | 1988-11-16 | 1988-11-16 | |
| US07/390,566 US4937542A (en) | 1988-11-16 | 1989-08-07 | Dielectric filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988149394U JPH02130103U (en) | 1988-11-16 | 1988-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02130103U true JPH02130103U (en) | 1990-10-26 |
Family
ID=15474168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988149394U Pending JPH02130103U (en) | 1988-11-16 | 1988-11-16 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4937542A (en) |
| JP (1) | JPH02130103U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02116102U (en) * | 1989-03-06 | 1990-09-18 | ||
| JPH04167701A (en) * | 1990-10-30 | 1992-06-15 | Sanyo Electric Co Ltd | Dielectric filter |
| JPH04116403U (en) * | 1991-03-30 | 1992-10-19 | 太陽誘電株式会社 | Micro strip line filter |
| JPH04311103A (en) * | 1991-04-10 | 1992-11-02 | Murata Mfg Co Ltd | Dielectric coaxial resonator and dielectric filter |
| JPH05327310A (en) * | 1992-05-25 | 1993-12-10 | Matsushita Electric Ind Co Ltd | Surface installation dielectric filter |
| JP2012514954A (en) * | 2009-01-08 | 2012-06-28 | シーティーエス・コーポレーション | Dual filter with concave top pattern and cavity |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69014674T2 (en) * | 1989-02-16 | 1995-04-27 | Oki Electric Ind Co Ltd | Dielectric filter of the LC type. |
| US5144269A (en) * | 1990-03-20 | 1992-09-01 | Sanyo Electric Co., Ltd. | Dielectric filter having external connection formed on dielectric substrate |
| JPH0477002A (en) * | 1990-07-16 | 1992-03-11 | Matsushita Electric Ind Co Ltd | Dielectric filter |
| US5146193A (en) * | 1991-02-25 | 1992-09-08 | Motorola, Inc. | Monolithic ceramic filter or duplexer having surface mount corrections and transmission zeroes |
| US5293141A (en) * | 1991-03-25 | 1994-03-08 | Sanyo Electric Co., Ltd. | Dielectric filter having external connection terminals on dielectric substrate and antenna duplexer using the same |
| US5162760A (en) * | 1991-12-19 | 1992-11-10 | Motorola, Inc. | Dielectric block filter with isolated input/output contacts |
| JP3293200B2 (en) * | 1992-04-03 | 2002-06-17 | 株式会社村田製作所 | Dielectric resonator |
| US5208568A (en) * | 1992-02-03 | 1993-05-04 | Motorola, Inc. | Method for producing dielectric resonator apparatus having metallized mesa |
| DE4229165C2 (en) * | 1992-09-01 | 1995-11-02 | Siemens Matsushita Components | Ceramic coaxial resonator |
| US5327109A (en) * | 1992-11-04 | 1994-07-05 | Motorola, Inc. | Block filter having high-side passband transfer function zeroes |
| US5406236A (en) * | 1992-12-16 | 1995-04-11 | Motorola, Inc. | Ceramic block filter having nonsymmetrical input and output impedances and combined radio communication apparatus |
| JPH0786807A (en) * | 1993-07-23 | 1995-03-31 | Sony Chem Corp | Dielectric filter |
| JP3448341B2 (en) * | 1994-04-11 | 2003-09-22 | 日本特殊陶業株式会社 | Dielectric filter device |
| JP3450926B2 (en) * | 1995-02-02 | 2003-09-29 | 日本特殊陶業株式会社 | Dielectric filter and method of adjusting frequency bandwidth thereof |
| JPH08213810A (en) * | 1995-02-03 | 1996-08-20 | Matsushita Electric Ind Co Ltd | Dielectric resonator |
| US5721520A (en) * | 1995-08-14 | 1998-02-24 | Motorola, Inc. | Ceramic filter with ground plane features which provide transmission zero and coupling adjustment |
| JPH09312506A (en) * | 1996-05-23 | 1997-12-02 | Ngk Spark Plug Co Ltd | Dielectric filter |
| JPH1155007A (en) * | 1997-07-30 | 1999-02-26 | Sumitomo Kinzoku Erekutorodebaisu:Kk | Dielectric filter and production thereof |
| CN101933192B (en) * | 2007-12-10 | 2013-07-10 | Cts公司 | RF monoblock filter with recessed top pattern and cavity providing improved attenuation |
| US20100029241A1 (en) * | 2008-08-01 | 2010-02-04 | Justin Russell Morga | Rf filter/resonator with protruding tabs |
| US8269579B2 (en) * | 2008-09-18 | 2012-09-18 | Cts Corporation | RF monoblock filter having an outwardly extending wall for mounting a lid filter thereon |
| US9030275B2 (en) | 2008-12-09 | 2015-05-12 | Cts Corporation | RF monoblock filter with recessed top pattern and cavity providing improved attenuation |
| US9030276B2 (en) | 2008-12-09 | 2015-05-12 | Cts Corporation | RF monoblock filter with a dielectric core and with a second filter disposed in a side surface of the dielectric core |
| US9030272B2 (en) | 2010-01-07 | 2015-05-12 | Cts Corporation | Duplex filter with recessed top pattern and cavity |
| WO2013089163A1 (en) * | 2011-12-14 | 2013-06-20 | 日本電気株式会社 | Resonant circuit, distributed amplifier, and oscillator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61161806A (en) * | 1985-01-11 | 1986-07-22 | Mitsubishi Electric Corp | High frequency filter |
| JPS61290801A (en) * | 1985-06-19 | 1986-12-20 | Hitachi Ltd | Microstrip resonator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5895403A (en) * | 1981-12-01 | 1983-06-07 | Matsushita Electric Ind Co Ltd | Coaxial dielectric resonator |
| JPS60114004A (en) * | 1983-11-25 | 1985-06-20 | Murata Mfg Co Ltd | Dielectric coaxial resonator |
| JPS6238601A (en) * | 1985-08-13 | 1987-02-19 | Murata Mfg Co Ltd | Interdigital filter and its manufacture |
| JPH055681Y2 (en) * | 1985-10-18 | 1993-02-15 |
-
1988
- 1988-11-16 JP JP1988149394U patent/JPH02130103U/ja active Pending
-
1989
- 1989-08-07 US US07/390,566 patent/US4937542A/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61161806A (en) * | 1985-01-11 | 1986-07-22 | Mitsubishi Electric Corp | High frequency filter |
| JPS61290801A (en) * | 1985-06-19 | 1986-12-20 | Hitachi Ltd | Microstrip resonator |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02116102U (en) * | 1989-03-06 | 1990-09-18 | ||
| JPH04167701A (en) * | 1990-10-30 | 1992-06-15 | Sanyo Electric Co Ltd | Dielectric filter |
| JPH04116403U (en) * | 1991-03-30 | 1992-10-19 | 太陽誘電株式会社 | Micro strip line filter |
| JPH04311103A (en) * | 1991-04-10 | 1992-11-02 | Murata Mfg Co Ltd | Dielectric coaxial resonator and dielectric filter |
| JPH05327310A (en) * | 1992-05-25 | 1993-12-10 | Matsushita Electric Ind Co Ltd | Surface installation dielectric filter |
| JP2012514954A (en) * | 2009-01-08 | 2012-06-28 | シーティーエス・コーポレーション | Dual filter with concave top pattern and cavity |
Also Published As
| Publication number | Publication date |
|---|---|
| US4937542A (en) | 1990-06-26 |